Welcome to your Grade 10 Physics chapter 3
After carefully reading the following 30 questions, choose the correct answer.
1.
What property describes a material's ability to return to its original shape after a force is removed?
2.
A material that remains deformed after the applied force is removed is called:
3.
Density is defined as the ratio of:
4.
What is the ratio of the density of a substance to the density of water?
6.
Strain is defined as the ratio of:
7.
What is the unit of strain?
8.
Young's Modulus is the ratio of:
9.
For a body to be in static equilibrium, the net force acting on it must be:
10.
The second condition for static equilibrium requires that the net torque must be:
11.
The point where the entire weight of an object can be considered to act is called:
12.
What is the SI unit of density?
13.
Hooke's Law states that within the elastic limit, the extension is proportional to the:
14.
The maximum stress a material can withstand before permanent deformation occurs is the:
15.
Torque is calculated as the product of force and:
16.
A rigid body is one that:
17.
What is the unit of Stress in SI?
18.
Tensile strain is specifically related to:
19.
If the density of an object is less than the density of the fluid it is in, it will:
20.
In static equilibrium, a body is:
21.
Which material is likely to show high plasticity?
22.
The lever arm is defined as the:
23.
Specific gravity has which units?
24.
When a force tends to rotate an object, this effect is called:
25.
If two children are in balance on a see-saw, the net torque is:
26.
An object is in translational equilibrium if the sum of all external:
27.
For a material following Hooke's Law, the graph of Force vs. Extension is a:
28.
Bulk matter properties include:
29.
Static equilibrium relates to everyday experiences like:
30.
The formula for torque (τ) is:
